0614IB1702

Masterpact MTZ—Altitude

Masterpact MTZ devices are designed and tested to operate at altitudes below 2,000 m (6562 ft.).

At altitudes above 2,000 m (6562 ft.), the characteristics of the ambient air (electrical resistance, cooling capacity) lower product characteristics as follows:

Characteristics

Altitude

2,000 m
(6,562 ft.)

3,000 m
(9,843 ft.)

4,000 m
(13,123 ft.)

5,000 m
(16,505 ft.)

Impulse withstand voltage (kV)

12

11

10

8

Rated insulation voltage (V)

1,000

900

780

700

Maximum rated operational voltage 50/60 Hz (V)

690

690

630

560

Rated current (A) at 40°C (104°F)

1 x In

0.99 x In

0.96 x In

0.94 x In

NOTE: Intermediate values can be obtained by interpolation.
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